Learn how to apply for child support services and find procedures for establishing parentage and custody, as well as payment and enforcement. The calculator is intended to be used to estimate the amount of child support the court may order on a case.Complete the income withholding documents. The calculator is intended to be used to estimate the amount of child support that the court may order on a case. Please go to the Child Support Help Topics page to learn more about what forms you may need and find other resources related to this topic. It is a long term marriage,25 years, with no young children. Please suggest a dollar amount for temporary spousal support payments with the following facts. Gross income is your total income before taxes are taken out. They also look at things like other child or spousal support, and a parent's other legal children. Spousal maintenance laws are gender-neutral, meaning either spouse can request it, regardless of sex.